Finding the Fourth Proportional to 626,465,349.20, 939,698,023.80 and 263,668,293.20
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Solution
The fourth proportional to 626,465,349.20, 939,698,023.80 and 263,668,293.20 is: 395,502,439.80
Step by Step Solution
- Step 1: Write the proportion equation
626,465,349.20 : 939,698,023.80 = 263,668,293.20 : x - Step 2: Convert to fraction form
626,465,349.20/939,698,023.80 = 263,668,293.20/x - Step 3: Cross multiply
626,465,349.20x = 939,698,023.80 × 263,668,293.20 - Step 4: Simplify right side
626,465,349.20x = 247,768,574,058,758,944 - Step 5: Solve for x
x = 247,768,574,058,758,944/626,465,349.20 - Step 6: Final answer
x = 395,502,439.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.